Photos about sea chubs (Kyphosidae); including larvae and juveniles: Senorita (Oxyjulis californica) tends to schooling Halfmoon(Medialuna californiensis). The señorita is a cleaner wrasse, a fish that grooms the parasites and other materials off the bodies of other fish. California.Motion blur of Cortez chub (Kyphosus elegans) and Pacific red snapper (Lutjanus peru) feeding at the surface. Cocos Island.Cortez chub (Kyphosus elegans) and Pacific red snapper (Lutjanus peru) feeding at the surface. Cocos Island.Cultured chub (Kyphosidae) larva; 16 dph - 13.5 mm. Hawaii.Juvenile chubs and jacks make their home on a floating tree branch in the open ocean. Hawaii.Halfmoon (Medialuna californiensis) seek shelter in kelp forest. California.Pacific chub (Kyphosus sandwicensis) juvenile reared in the laboratory.